<template>
  <div class="tab-bar-item" @click="itemClick">
    <div v-if="!isActive">
      <slot name="item-icon"></slot>
    </div>
    <div v-else>
      <slot name="item-icon-active"></slot>
    </div>

    <div :style="activeStyle">
      <slot name="item-text"></slot>
    </div>
  </div>
</template>

<script>
export default {
  name: "TabBarItem",
  props: {
    path: String,
    activeColor:{
      type:String,
      default:'red'
    }
  },
  data() {
    return {
      // isActive: true,
    };
  },
  computed: {
    isActive() {
      // 判断当前活跃路径是否与当前路径相同，相同返回true，触发active
      // /home->item(/home)=true
      // /home->item(/cart)= false
      return !this.$route.path.indexOf(this.path);
    },
    activeStyle(){
      return this.isActive ? {color: this.activeColor} : {}
    }
  },
  mounted() {},

  methods: {
    itemClick() {
      this.$router.replace(this.path).catch((err) => err);
    },
  },
};
</script>

<style lang="css" scoped>
.tab-bar-item {
  flex: 1;
  text-align: center;
  height: 49px;
  font-size: 14px;
}

.tab-bar-item img {
  height: 24px;
  width: 24px;
  margin-top: 3px;
  vertical-align: middle;
}
/* .active {
  color: red;
} */
</style>